INPP Decommissioning Overview Darius Janulevičius

Transcription

1 INPP Decommissioning Overview Darius Janulevičius Director General

2 Operation Basics General Information Largest and the most advanced RBMK design (also with later safety upgrading) It was intended to build 4 units Construction of 3 rd unit was suspended in 1989 (about 60% of construction works were accomplished) Plant type Number of units Power per unit Staff in 2014 RBMK (of 4 planned) 1500 MW ~2100 (max 5600 during operat.) Unit 1 Unit 2 Supplied 70-80% of LT national demand Closed at around mid-life No funds accumulated for decommissioning due to early closure of the Plant First operation Dec 1983 Aug 1987 Final Closure Dec 2004 Dec 2009 Power generation 137 TWh 170 TWh Construction Operation Decommissioning X 2

3 INPP Decommissioning Scheme Preparation for decommissioning 1 unit unit Operation PRS Reactors defueled Pools defueled D&D implementation ensuring: safe post-operation ALARA D&D 1 unit unit Post-operation Dismantling & Decontamination 2000 Post-operation as a nuclear facility ensuring: fuel safety containment Post-operation as a waste storage facility ensuring: containment Conventional demolition 203X 3

4 Status of Spent Nuclear Fuel Unit 1: final closure Dec 2004 core fully defueled in 2009; 7175 fuel assemblies in pools. Unit 2: final closure Dec fuel assemblies remain in the core to be removed; Planned defueling starting 2017; 7246 fuel assemblies in pools. Final defueling from SFP

5 Waste Quantities Forecast INPP Stored Operational Waste Fuel => 6000 assemblies Solid Waste => m 3 Bituminized Waste => m 3 Cemented Waste => 4000 m 3 Dismantled in (until July) tons of equipment and structures Fuel Equipment Reactors Decommissioning Waste => assemblies => tons of steel => tons of steel => tons of graphite => tons of fillers Buildings => m 3 concrete => tons of steel 5

6 Key Decommissioning Dates B1 ISFSF construction and commissioning B2/3/4 Solid RW Treatment and Storage Facility construction and commissioning B19-2 Landfill Facility for Short-lived VLL Waste commissioning B25-Near Surface Repository for Low and Interim Level SLRW commissioning (I stage) Unit 2 reactor defueling Unit 1 and 2 Spent Fuel Storage Pools defueling 1 and 2 Reactor R1,2 zones dismantling and 2 Reactors R3 zones dismantling and decontamination Unrestricted release of areas related to Reactor Site Restoration X 6

7 Waste Routes Overview Operational wastes Decommissioning wastes Under construction Waste Retrieval B2 B20 Waste bituminization Waste cementation Operating Operating Operating Under construction Under Design B3/4 SW Processing & Storage Under construction B19-1 Buffer Storage B10 Measurement Facility Tendering shortly B25 B19-2 Free Release Near Surface Repository VLLW Landfill B1 Interim Spent Fuel Storage(s) Operating 7

8 Completed Projects B10 Free Release Measurement Facility Commissioned in August 2010 B19/1 Short-Lived Very Low Level Waste Buffer Storage Facility Commissioned in May

9 New Waste Management Facilities Interim Spent Fuel Storage Facility (B1) Existing INPP spent fuel storage, built in 1999 using GNS casks, lacked capacity for complete defueling due to decommissioning Objective of the Project B1: New ISFSF shall be built as following: To build an Interim SF Storage Facility, to manufacture and install all related equipment The Project is funded by IIDSF, managed by the EBRD To design and manufacture new-type casks with 80% increased capacity for INPP RBMK-1500 type reactor spent fuel, to develop the technologies for its loading and transportation to ISFSF and to install it Results: Spent fuel will be stored in 4,5 m height and 2,6 m diameter r/c casks CONSTOR RBMK-1500/М2, cask with fuel weight 118 t 190 new-type casks will be manufactured Total storage capacity 202 casks Contractor NUKEM Technologies GmbH / GNS Contract signed 5 January 2005 Start of operations (foreseen) 2017 Operational period years 9

10 Interim Spent Fuel Storage Facility (B1) Construction progress The Project is funded by IIDSF, managed by the EBRD 2012/ / / /11 10

11 The Project is funded by IIDSF, managed by the EBRD New Waste Management Facilities Solid Waste Management & Storage Facilities (B2/3/4) Integrated project for managing retrieved operational wastes and dismantling wastes, comprising: Retrieval Facility (B2) Processing Facility (B3) Storage Facility (B4, for long and short lived waste) Objective: To build facility for treatment of solid operational and dismantling radioactive wastes Results: Radioactive wastes will be retreated from the existing interim storages and transported to new treatment facility Wastes will be sorted and treated (resized, incinerated and compacted) Treated wastes will be packed into casks and stored in new treatment facility until the repository facilities will be built Contractor: NUKEM Technologies GmbH Contract signed: 30 November 2005 Start of operations (foreseen):

12 Solid Waste Management & Storage Facilities (B234) Construction progress The Project is funded by IIDSF, managed by the EBRD 2014/ / / /09 Laikinoji panaudoto branduolinio kuro saugykla 12

13 New Waste Management Facilities Landfill Facility for Short-lived Very Low Level Waste (B19) The Landfill Facility will consist of: The Buffer Storage Facility - a temporary closed building of 0.2 ha area where the systems designed for radiological measurement, transportation and temporary storage of wastes are installed. Capacity of Buffer Storage Facility is 4000 m 3 Disposal Modules - an above ground structure, in which carbon steel 20 feet ISO half-height containers with waste will be closely placed in five layers on the concrete slab. Contract signed 2007 Estimated start of operation (I stage) Buffer Storage Facility (B19-1) in operation 2018 since May

14 The Project is partly funded (Design) by IIDSF, managed by EBRD) New Waste Management Facilities Near Surface Repository (B25) A modular multi-barrier near surface repository for disposal of Low and Intermediate Level Short-lived Radioactive Waste from operation and decommissioning Objective: To design and construct Near Surface Repository for Low and Intermediate Level Short-lived Radioactive Waste Results: Cellular reinforced concrete repository will be build which will consist of several groups of sections designed for final disposal of m 3 of treated radioactive waste packed into concrete containers and cemented radioactive wastes Upon completion of radioactive waste disposal the repository will be closed and its surface will be covered with erosion resistant multilayer engineered protection barriers. After its closure the surveillance of the repository will be carried out for at least 300 years Contract signed: 23 October 2010 Estimated start of operation:

15 Thank you for attention